# Released under the MIT License. See LICENSE for details.
#
"""Provides party related UI."""

from __future__ import annotations

import math
import weakref
from typing import TYPE_CHECKING, cast

import _ba
import ba
from bastd.ui import popup

if TYPE_CHECKING:
    from typing import Sequence, Optional, Any


class PartyWindow(ba.Window):
    """Party list/chat window."""

    def __del__(self) -> None:
        _ba.set_party_window_open(False)

    def __init__(self, origin: Sequence[float] = (0, 0)):
        _ba.set_party_window_open(True)
        self._r = 'partyWindow'
        self._popup_type: Optional[str] = None
        self._popup_party_member_client_id: Optional[int] = None
        self._popup_party_member_is_host: Optional[bool] = None
        self._width = 500
        uiscale = ba.app.ui.uiscale
        self._height = (365 if uiscale is ba.UIScale.SMALL else
                        480 if uiscale is ba.UIScale.MEDIUM else 600)
        super().__init__(root_widget=ba.containerwidget(
            size=(self._width, self._height),
            transition='in_scale',
            color=(0.40, 0.55, 0.20),
            parent=_ba.get_special_widget('overlay_stack'),
            on_outside_click_call=self.close_with_sound,
            scale_origin_stack_offset=origin,
            scale=(2.0 if uiscale is ba.UIScale.SMALL else
                   1.35 if uiscale is ba.UIScale.MEDIUM else 1.0),
            stack_offset=(0, -10) if uiscale is ba.UIScale.SMALL else (
                240, 0) if uiscale is ba.UIScale.MEDIUM else (330, 20)))

        self._cancel_button = ba.buttonwidget(parent=self._root_widget,
                                              scale=0.7,
                                              position=(30, self._height - 47),
                                              size=(50, 50),
                                              label='',
                                              on_activate_call=self.close,
                                              autoselect=True,
                                              color=(0.45, 0.63, 0.15),
                                              icon=ba.gettexture('crossOut'),
                                              iconscale=1.2)
        ba.containerwidget(edit=self._root_widget,
                           cancel_button=self._cancel_button)

        self._menu_button = ba.buttonwidget(
            parent=self._root_widget,
            scale=0.7,
            position=(self._width - 60, self._height - 47),
            size=(50, 50),
            label='...',
            autoselect=True,
            button_type='square',
            on_activate_call=ba.WeakCall(self._on_menu_button_press),
            color=(0.55, 0.73, 0.25),
            iconscale=1.2)

        info = _ba.get_connection_to_host_info()
        if info.get('name', '') != '':
            title = ba.Lstr(value=info['name'])
        else:
            title = ba.Lstr(resource=self._r + '.titleText')

        self._title_text = ba.textwidget(parent=self._root_widget,
                                         scale=0.9,
                                         color=(0.5, 0.7, 0.5),
                                         text=title,
                                         size=(0, 0),
                                         position=(self._width * 0.5,
                                                   self._height - 29),
                                         maxwidth=self._width * 0.7,
                                         h_align='center',
                                         v_align='center')

        self._empty_str = ba.textwidget(parent=self._root_widget,
                                        scale=0.75,
                                        size=(0, 0),
                                        position=(self._width * 0.5,
                                                  self._height - 65),
                                        maxwidth=self._width * 0.85,
                                        h_align='center',
                                        v_align='center')

        self._scroll_width = self._width - 50
        self._scrollwidget = ba.scrollwidget(parent=self._root_widget,
                                             size=(self._scroll_width,
                                                   self._height - 200),
                                             position=(30, 80),
                                             color=(0.4, 0.6, 0.3))
        self._columnwidget = ba.columnwidget(parent=self._scrollwidget,
                                             border=2,
                                             margin=0)
        ba.widget(edit=self._menu_button, down_widget=self._columnwidget)

        self._muted_text = ba.textwidget(
            parent=self._root_widget,
            position=(self._width * 0.5, self._height * 0.5),
            size=(0, 0),
            h_align='center',
            v_align='center',
            text=ba.Lstr(resource='chatMutedText'))
        self._chat_texts: list[ba.Widget] = []

        # add all existing messages if chat is not muted
        if not ba.app.config.resolve('Chat Muted'):
            msgs = _ba.get_chat_messages()
            for msg in msgs:
                self._add_msg(msg)

        self._text_field = txt = ba.textwidget(
            parent=self._root_widget,
            editable=True,
            size=(530, 40),
            position=(44, 39),
            text='',
            maxwidth=494,
            shadow=0.3,
            flatness=1.0,
            description=ba.Lstr(resource=self._r + '.chatMessageText'),
            autoselect=True,
            v_align='center',
            corner_scale=0.7)

        ba.widget(edit=self._scrollwidget,
                  autoselect=True,
                  left_widget=self._cancel_button,
                  up_widget=self._cancel_button,
                  down_widget=self._text_field)
        ba.widget(edit=self._columnwidget,
                  autoselect=True,
                  up_widget=self._cancel_button,
                  down_widget=self._text_field)
        ba.containerwidget(edit=self._root_widget, selected_child=txt)
        btn = ba.buttonwidget(parent=self._root_widget,
                              size=(50, 35),
                              label=ba.Lstr(resource=self._r + '.sendText'),
                              button_type='square',
                              autoselect=True,
                              position=(self._width - 70, 35),
                              on_activate_call=self._send_chat_message)
        ba.textwidget(edit=txt, on_return_press_call=btn.activate)
        self._name_widgets: list[ba.Widget] = []
        self._roster: Optional[list[dict[str, Any]]] = None
        self._update_timer = ba.Timer(1.0,
                                      ba.WeakCall(self._update),
                                      repeat=True,
                                      timetype=ba.TimeType.REAL)
        self._update()

    def on_chat_message(self, msg: str) -> None:
        """Called when a new chat message comes through."""
        if not ba.app.config.resolve('Chat Muted'):
            self._add_msg(msg)

    def _add_msg(self, msg: str) -> None:
        txt = ba.textwidget(parent=self._columnwidget,
                            text=msg,
                            h_align='left',
                            v_align='center',
                            size=(0, 13),
                            scale=0.55,
                            maxwidth=self._scroll_width * 0.94,
                            shadow=0.3,
                            flatness=1.0)
        self._chat_texts.append(txt)
        if len(self._chat_texts) > 40:
            first = self._chat_texts.pop(0)
            first.delete()
        ba.containerwidget(edit=self._columnwidget, visible_child=txt)

    def _on_menu_button_press(self) -> None:
        is_muted = ba.app.config.resolve('Chat Muted')
        uiscale = ba.app.ui.uiscale
        popup.PopupMenuWindow(
            position=self._menu_button.get_screen_space_center(),
            scale=(2.3 if uiscale is ba.UIScale.SMALL else
                   1.65 if uiscale is ba.UIScale.MEDIUM else 1.23),
            choices=['unmute' if is_muted else 'mute'],
            choices_display=[
                ba.Lstr(
                    resource='chatUnMuteText' if is_muted else 'chatMuteText')
            ],
            current_choice='unmute' if is_muted else 'mute',
            delegate=self)
        self._popup_type = 'menu'

    def _update(self) -> None:
        # pylint: disable=too-many-locals
        # pylint: disable=too-many-branches
        # pylint: disable=too-many-statements
        # pylint: disable=too-many-nested-blocks

        # update muted state
        if ba.app.config.resolve('Chat Muted'):
            ba.textwidget(edit=self._muted_text, color=(1, 1, 1, 0.3))
            # clear any chat texts we're showing
            if self._chat_texts:
                while self._chat_texts:
                    first = self._chat_texts.pop()
                    first.delete()
        else:
            ba.textwidget(edit=self._muted_text, color=(1, 1, 1, 0.0))

        # update roster section
        roster = _ba.get_game_roster()
        if roster != self._roster:
            self._roster = roster

            # clear out old
            for widget in self._name_widgets:
                widget.delete()
            self._name_widgets = []
            if not self._roster:
                top_section_height = 60
                ba.textwidget(edit=self._empty_str,
                              text=ba.Lstr(resource=self._r + '.emptyText'))
                ba.scrollwidget(edit=self._scrollwidget,
                                size=(self._width - 50,
                                      self._height - top_section_height - 110),
                                position=(30, 80))
            else:
                columns = 1 if len(
                    self._roster) == 1 else 2 if len(self._roster) == 2 else 3
                rows = int(math.ceil(float(len(self._roster)) / columns))
                c_width = (self._width * 0.9) / max(3, columns)
                c_width_total = c_width * columns
                c_height = 24
                c_height_total = c_height * rows
                for y in range(rows):
                    for x in range(columns):
                        index = y * columns + x
                        if index < len(self._roster):
                            t_scale = 0.65
                            pos = (self._width * 0.53 - c_width_total * 0.5 +
                                   c_width * x - 23,
                                   self._height - 65 - c_height * y - 15)

                            # if there are players present for this client, use
                            # their names as a display string instead of the
                            # client spec-string
                            try:
                                if self._roster[index]['players']:
                                    # if there's just one, use the full name;
                                    # otherwise combine short names
                                    if len(self._roster[index]
                                           ['players']) == 1:
                                        p_str = self._roster[index]['players'][
                                            0]['name_full']
                                    else:
                                        p_str = ('/'.join([
                                            entry['name'] for entry in
                                            self._roster[index]['players']
                                        ]))
                                        if len(p_str) > 25:
                                            p_str = p_str[:25] + '...'
                                else:
                                    p_str = self._roster[index][
                                        'display_string']
                            except Exception:
                                ba.print_exception(
                                    'Error calcing client name str.')
                                p_str = '???'

                            widget = ba.textwidget(parent=self._root_widget,
                                                   position=(pos[0], pos[1]),
                                                   scale=t_scale,
                                                   size=(c_width * 0.85, 30),
                                                   maxwidth=c_width * 0.85,
                                                   color=(1, 1,
                                                          1) if index == 0 else
                                                   (1, 1, 1),
                                                   selectable=True,
                                                   autoselect=True,
                                                   click_activate=True,
                                                   text=ba.Lstr(value=p_str),
                                                   h_align='left',
                                                   v_align='center')
                            self._name_widgets.append(widget)

                            # in newer versions client_id will be present and
                            # we can use that to determine who the host is.
                            # in older versions we assume the first client is
                            # host
                            if self._roster[index]['client_id'] is not None:
                                is_host = self._roster[index][
                                    'client_id'] == -1
                            else:
                                is_host = (index == 0)

                            # FIXME: Should pass client_id to these sort of
                            #  calls; not spec-string (perhaps should wait till
                            #  client_id is more readily available though).
                            ba.textwidget(edit=widget,
                                          on_activate_call=ba.Call(
                                              self._on_party_member_press,
                                              self._roster[index]['client_id'],
                                              is_host, widget))
                            pos = (self._width * 0.53 - c_width_total * 0.5 +
                                   c_width * x,
                                   self._height - 65 - c_height * y)

                            # Make the assumption that the first roster
                            # entry is the server.
                            # FIXME: Shouldn't do this.
                            if is_host:
                                twd = min(
                                    c_width * 0.85,
                                    _ba.get_string_width(
                                        p_str, suppress_warning=True) *
                                    t_scale)
                                self._name_widgets.append(
                                    ba.textwidget(
                                        parent=self._root_widget,
                                        position=(pos[0] + twd + 1,
                                                  pos[1] - 0.5),
                                        size=(0, 0),
                                        h_align='left',
                                        v_align='center',
                                        maxwidth=c_width * 0.96 - twd,
                                        color=(0.1, 1, 0.1, 0.5),
                                        text=ba.Lstr(resource=self._r +
                                                     '.hostText'),
                                        scale=0.4,
                                        shadow=0.1,
                                        flatness=1.0))
                ba.textwidget(edit=self._empty_str, text='')
                ba.scrollwidget(edit=self._scrollwidget,
                                size=(self._width - 50,
                                      max(100, self._height - 139 -
                                          c_height_total)),
                                position=(30, 80))

    def popup_menu_selected_choice(self, popup_window: popup.PopupMenuWindow,
                                   choice: str) -> None:
        """Called when a choice is selected in the popup."""
        del popup_window  # unused
        if self._popup_type == 'partyMemberPress':
            if self._popup_party_member_is_host:
                ba.playsound(ba.getsound('error'))
                ba.screenmessage(
                    ba.Lstr(resource='internal.cantKickHostError'),
                    color=(1, 0, 0))
            else:
                assert self._popup_party_member_client_id is not None

                # Ban for 5 minutes.
                result = _ba.disconnect_client(
                    self._popup_party_member_client_id, ban_time=5 * 60)
                if not result:
                    ba.playsound(ba.getsound('error'))
                    ba.screenmessage(
                        ba.Lstr(resource='getTicketsWindow.unavailableText'),
                        color=(1, 0, 0))
        elif self._popup_type == 'menu':
            if choice in ('mute', 'unmute'):
                cfg = ba.app.config
                cfg['Chat Muted'] = (choice == 'mute')
                cfg.apply_and_commit()
                self._update()
        else:
            print(f'unhandled popup type: {self._popup_type}')

    def popup_menu_closing(self, popup_window: popup.PopupWindow) -> None:
        """Called when the popup is closing."""

    def _on_party_member_press(self, client_id: int, is_host: bool,
                               widget: ba.Widget) -> None:
        # if we're the host, pop up 'kick' options for all non-host members
        if _ba.get_foreground_host_session() is not None:
            kick_str = ba.Lstr(resource='kickText')
        else:
            # kick-votes appeared in build 14248
            if (_ba.get_connection_to_host_info().get('build_number', 0) <
                    14248):
                return
            kick_str = ba.Lstr(resource='kickVoteText')
        uiscale = ba.app.ui.uiscale
        popup.PopupMenuWindow(
            position=widget.get_screen_space_center(),
            scale=(2.3 if uiscale is ba.UIScale.SMALL else
                   1.65 if uiscale is ba.UIScale.MEDIUM else 1.23),
            choices=['kick'],
            choices_display=[kick_str],
            current_choice='kick',
            delegate=self)
        self._popup_type = 'partyMemberPress'
        self._popup_party_member_client_id = client_id
        self._popup_party_member_is_host = is_host

    def _send_chat_message(self) -> None:
        _ba.chatmessage(cast(str, ba.textwidget(query=self._text_field)))
        ba.textwidget(edit=self._text_field, text='')

    def close(self) -> None:
        """Close the window."""
        ba.containerwidget(edit=self._root_widget, transition='out_scale')

    def close_with_sound(self) -> None:
        """Close the window and make a lovely sound."""
        ba.playsound(ba.getsound('swish'))
        self.close()


def handle_party_invite(name: str, invite_id: str) -> None:
    """Handle an incoming party invitation."""
    from bastd import mainmenu
    from bastd.ui import confirm
    ba.playsound(ba.getsound('fanfare'))

    # if we're not in the main menu, just print the invite
    # (don't want to screw up an in-progress game)
    in_game = not isinstance(_ba.get_foreground_host_session(),
                             mainmenu.MainMenuSession)
    if in_game:
        ba.screenmessage(ba.Lstr(
            value='${A}\n${B}',
            subs=[('${A}',
                   ba.Lstr(resource='gatherWindow.partyInviteText',
                           subs=[('${NAME}', name)])),
                  ('${B}',
                   ba.Lstr(
                       resource='gatherWindow.partyInviteGooglePlayExtraText'))
                  ]),
                         color=(0.5, 1, 0))
    else:

        def do_accept(inv_id: str) -> None:
            _ba.accept_party_invitation(inv_id)

        conf = confirm.ConfirmWindow(
            ba.Lstr(resource='gatherWindow.partyInviteText',
                    subs=[('${NAME}', name)]),
            ba.Call(do_accept, invite_id),
            width=500,
            height=150,
            color=(0.75, 1.0, 0.0),
            ok_text=ba.Lstr(resource='gatherWindow.partyInviteAcceptText'),
            cancel_text=ba.Lstr(resource='gatherWindow.partyInviteIgnoreText'))

        # FIXME: Ugly.
        # Let's store the invite-id away on the confirm window so we know if
        # we need to kill it later.
        conf.party_invite_id = invite_id  # type: ignore

        # store a weak-ref so we can get at this later
        ba.app.invite_confirm_windows.append(weakref.ref(conf))

        # go ahead and prune our weak refs while we're here.
        ba.app.invite_confirm_windows = [
            w for w in ba.app.invite_confirm_windows if w() is not None
        ]
